From 1ac68e399a8d4812481be5cd007ee44675ce9a83 Mon Sep 17 00:00:00 2001
From: gabime <gmelman1@gmail.com>
Date: Mon, 18 Jul 2016 22:29:26 +0300
Subject: [PATCH] Fixed issue #245

---
 include/spdlog/details/os.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/spdlog/details/os.h b/include/spdlog/details/os.h
index 8c50907b..4356d703 100644
--- a/include/spdlog/details/os.h
+++ b/include/spdlog/details/os.h
@@ -264,7 +264,7 @@ inline std::string errno_str(int err_num)
     else
         return "Unkown error";
 
-#elif (_POSIX_C_SOURCE >= 200112L) && ! _GNU_SOURCE // posix version        
+#elif defined(__APPLE__) || ((_POSIX_C_SOURCE >= 200112L) && ! _GNU_SOURCE) // posix version        
     if (strerror_r(err_num, buf, buf_size) == 0)
         return std::string(buf);
     else